diff --git a/test/unittest/medialibrary_file_access_test.cpp b/test/unittest/medialibrary_file_access_test.cpp
index a6b2a61bb07d923466197abed14b40320ff34154..a318cfce15492df3f9c4bea55732201ce58ed28c 100644
--- a/test/unittest/medialibrary_file_access_test.cpp
+++ b/test/unittest/medialibrary_file_access_test.cpp
@@ -1811,6 +1811,39 @@ HWTEST_F(FileAccessHelperTest, medialibrary_file_access_Copy_0007, testing::ext:
     GTEST_LOG_(INFO) << "FileAccessHelperTest-end medialibrary_file_access_Copy_0007";
 }
 
+/**
+ * @tc.number: user_file_service_medialibrary_file_access_Copy_0008
+ * @tc.name: medialibrary_file_access_Copy_0008
+ * @tc.desc: Test function of Copy interface, Copy directory to its subdirectory
+ * @tc.size: MEDIUM
+ * @tc.type: FUNC
+ * @tc.level Level 1
+ * @tc.require: I791GR
+ */
+HWTEST_F(FileAccessHelperTest, medialibrary_file_access_Copy_0008, testing::ext::TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "FileAccessHelperTest-begin medialibrary_file_access_Copy_0008";
+    try {
+        Uri srcUri("");
+        int result = g_fah->Mkdir(g_newDirUri, "Copy_0008_src", srcUri);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+        Uri destUri("");
+        result = g_fah->Mkdir(srcUri, "Copy_0008_dest", destUri);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+
+        vector<CopyResult> copyResult;
+        result = g_fah->Copy(srcUri, destUri, copyResult);
+        EXPECT_NE(result, OHOS::FileAccessFwk::ERR_OK);
+        EXPECT_GT(copyResult.size(), 0);
+        EXPECT_EQ(copyResult.at(0).errCode, OHOS::FileAccessFwk::E_URIS);
+        result = g_fah->Delete(srcUri);
+        EXPECT_EQ(result, OHOS::FileAccessFwk::ERR_OK);
+    } catch (...) {
+        GTEST_LOG_(ERROR) << "medialibrary_file_access_Copy_0008 occurs an exception.";
+    }
+    GTEST_LOG_(INFO) << "FileAccessHelperTest-end medialibrary_file_access_Copy_0008";
+}
+
 /**
  * @tc.number: user_file_service_medialibrary_file_access_Rename_0000
  * @tc.name: medialibrary_file_access_Rename_0000